Hide address bar from websites on Firefox

Hide the address bar from Firefox when not needed
using this add-onhttps://addons.mozilla.org/en-US/firefox/addon/prospector-lessChrome-HD/
When ever a site will open this add-on will hide the address bar ,to make your browsing experience more personalized
Move your mouse towards the bar ,to see the address bar
In other words the address bar’s display is controlled by mouse foucus